//
// Created by tan90 on 25-4-27.
//

#include <stdio.h>
#define ARR1_LEN 20

int main() {
    int arr[10];
    printf("arr size %llu\n", sizeof arr);
    double arr1[ARR1_LEN];
    size_t size1 = sizeof arr1;
    unsigned long long size2 = sizeof arr1;
    printf("arr1 size %llu,%llu\n", size1, size2);
    // 下标越界
    // arr[10] = 10;
    // printf("arr[10] value %d\n", arr[10]);
}
